' Description:' Unroll a surface or polysurface.' Parameters:' strSurface - String, The identifier of the surface or polysurface to unroll.' arrCurves - Array, The identifiers of one or more curves to unroll.' blnExplode - Boolean, Explode the resulting objects.' blnLabels - Boolean, Label the resulting objects with numbered dots.' Returns:' Array, The identifiers of the unrolled objects if successful.' Null on error